Creating domain trusts to access remote shares

Hi Guys,

I've got 2 domains in 2 seperate companies on 2003 and 2008 and have been tasked with creating a trust between them so that the local admins can change permissions on the shares on these domains to allow users from the other domains to access them without having to input their credentials each time. There will be a static VPN between the 2 networks.
I have never set these up before so any basic guides or things to look out for when doing this ? (i.e limitations, patching needed etc)

Thanks
NotExpertsAsked:
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Leon FesterConnect With a Mentor Senior Solutions ArchitectCommented:
Firstly you'll need that VPN configured.
Next test that your DNS resolves correctly and your DNS servers are accessible from the remote network.

From that it's easy to setup the trust.
See previously answered question.
http://www.experts-exchange.com/Software/Server_Software/File_Servers/Active_Directory/Q_23805633.html

Ports required on your firewall for the trust to work.
http://support.microsoft.com/kb/179442
http://technet.microsoft.com/en-us/library/cc759554(v=ws.10).aspx

All you need to know about trusts.
http://technet.microsoft.com/en-us/library/cc759554(v=ws.10).aspx
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NotExpertsAuthor Commented:
Thanks,

Do i need to setup a stub zone for each domain in the other domains ?
i.e i have 3 domains to setup trusts for so do i need a DNS stub zone for DomainA in DomainB and DomainC and a stub zone for DomainB in DomainA and DomainC etc ?

Ian
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Leon FesterSenior Solutions ArchitectCommented:
You can add stub zones, I prefer using conditional forwarders;
http://support.microsoft.com/kb/323380

Even a hosts file entry would work.
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chris-burnsCommented:
I was in the same boat with three domains.

As long as your VPN is setup OK with free, unhindered traffic across the tunnel AND your DNS is set up to resolve correctly you will be good to go. ( Again, i think i would use conditional forwarders rather than stub-zones.)

It is surprisingly easy, our difficulty was to have two exchange servers share the same domain name.
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NotExpertsAuthor Commented:
That's worked fine. Many Thanks
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